00436nam a2200169Ia 4500 190329s9999||||xx |||||||||||||| ||und|| 9789352530267 NITIL NITIL 21st 540 S617C Singh, Lakhmir Chemistry Lakhmir Singh and Manjit Kaur New Delhi S.Chand 2016 257p. CHEMISTRY Kaur, Manjit, jt.auth. BKS 78540 78540 0 0 DDC 0 0 NITIL NITIL 2019-04-08 4 540 S617C 154184 2026-03-05 2026-02-12 00:00:00 2026-02-12 2019-04-08 BKS